DD Form 1209 Liquid- and Plastic-Limits Determination

DD Form 1209 Liquid- and Plastic-Limits Determination

What Is DD Form 1209?

This is a form that was released by the U.S. Department of Defense (DoD) on December 1, 1999. The form, often mistakenly referred to as the DA Form 1209 , is a military form used by and within the U.S. Army. As of today, no separate instructions for the form are provided by the DoD.

FAQ

Q: What is DD Form 1209?
A: DD Form 1209 is a form used to determine liquid and plastic limits.

Q: What are liquid and plastic limits?
A: Liquid and plastic limits are measurements used to determine the moisture content of a soil.

Q: How is the liquid limit determined?
A: The liquid limit is determined by conducting a specific test where a soil sample is gradually mixed with water, and the point where it behaves like a liquid is recorded.

Q: How is the plastic limit determined?
A: The plastic limit is determined by rolling a soil sample into a thread until it crumbles and breaks apart.

Q: What is the purpose of determining liquid and plastic limits?
A: Determining liquid and plastic limits helps in evaluating the engineering properties and behavior of soils.

Q: Who uses DD Form 1209?
A: DD Form 1209 may be used by various professionals in the field of geotechnical engineering and soil science.

ADVERTISEMENT

Form Details:

  • A 1-page document available for download in PDF;
  • The latest version available from the Executive Services Directorate;
  • Editable, printable, and free to use;
  • Fill out the form in our online filing application.

Download an up-to-date fillable DD Form 1209 down below in PDF format or browse hundreds of other DoD Forms compiled in our online library.

Download DD Form 1209 Liquid- and Plastic-Limits Determination

4.4 of 5 (33 votes)
  • DD Form 1209 Liquid- and Plastic-Limits Determination, Page 1
ADVERTISEMENT